Datasheet LTC6409 (Analog Devices) - 7

LTC6409
TYPICAL PERFORMANCE CHARACTERISTICS Frequency Response vs Closed Frequency Response vs Load Loop Gain Capacitance
60 20 AV = 400 CL = 0pF 50 CL = 0.5pF A CL = 1pF 40 V = 100
A
10
V (V/V) RI (Ω) RF (Ω) CF (pF)
CL = 1.5pF CL = 2pF 30 A 1 150 150 1.3 V = 20 A 2 100 200 1 0 20 V = 10 AV = 5 5 50 250 0.8 10 50 500 0.4 GAIN (dB) 10 AV = 2 GAIN (dB) A 20 25 500 0.4 –10 VS = 5V 0 V = 1 V 100 25 2.5k 0 OCM = VICM = 1.25V RLOAD = 400Ω –10 400 25 10k 0 R V –20 I = RF = 150Ω, CF = 1.3pF S = 5V CAPACITOR VALUES ARE FROM –20 VOCM = VICM = 1.25V EACH OUTPUT TO GROUND. RLOAD = 400Ω NO SERIES RESISTORS ARE USED. –30 –30 1 10 100 1000 10000 10 100 1000 10000 FREQUENCY (MHz) FREQUENCY (MHz) 6409 G15 6409 G16
Gain 0.1dB Flatness Slew Rate vs Temperature
0.5 3400 VS = 5V 0.4 3375 0.3 3350 0.2 /µs) 0.1 3325 0 TE (V 3300 GAIN (dB) –0.1 3275 –0.2 SLEW RA 3250 –0.3 VS = 5V VOCM = VICM = 1.25V –0.4 R 3225 LOAD = 400Ω RI = RF = 150Ω, CF = 1.3pF –0.5 3200 1 10 100 1000 10000 –50 –25 0 25 50 75 100 125 FREQUENCY (MHz) TEMPERATURE (°C) 6409 G17 6409 G08
Harmonic Distortion vs Output Harmonic Distortion vs Input Harmonic Distortion vs Frequency Common Mode Voltage Amplitude
–50 –30 –80 VS = 5V VS = 5V VS = 5V VOCM = VICM = 1.25V f V –60 –40 IN = 100MHz OCM = VICM = 1.25V RLOAD = 400Ω HD3 RLOAD = 400Ω fIN = 100MHz RI = RF = 150Ω –50 RI = RF = 150Ω –90 RLOAD = 400Ω –70 VOUTDIFF = 2VP-P VOUTDIFF = 2VP-P RI = RF = 150Ω DIFFERENTIAL INPUTS HD3 –60 DIFFERENTIAL INPUTS DIFFERENTIAL INPUTS –80 HD2 TION (dBc) HD2 TION (dBc) –70 TION (dBc) –100 –90 –80 DISTOR DISTOR HD3 DISTOR –100 –90 –110 –110 HD2 –100 –120 –110 –120 1 10 100 1000 0.5 1 1.5 2 2.5 3 3.5 –4 –2 0 2 4 6 8 10 FREQUENCY (MHz) OUTPUT COMMON MODE VOLTAGE (V) (0.4VP-P) INPUT AMPLITUDE (dBm) (2VP-P) 6409 G19 6409 G20 6409 G21 6409fb For more information www.linear.com/LTC6409 7 Document Outline Features Applications Description Typical Application Absolute Maximum Ratings Pin Configuration Order Information Electrical Characteristics Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts Features Applications Typical Application Description Absolute Maximum Ratings Order Information Electrical Characteristics Pin Configuration Typical Performance Characteristics Pin Functions Block Diagram Applications Information Typical Applications Package Description Revision History Typical Applications Related Parts